EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No.333-60779) of Evolving Systems, Inc of our report dated March 8, 1999 appearing on page F-2 of this Form 10-K. /s/ PRICEWATERHOUSECOOPERS LLP PricewaterhouseCoopers LLP Broomfield, Colorado March 30, 1999